{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:LS56EYSYLYTO36GIWUFQT7334O","short_pith_number":"pith:LS56EYSY","schema_version":"1.0","canonical_sha256":"5cbbe262585e26edf8c8b50b09ff7be39d1d5b475a5ebd79a96f493c359095d2","source":{"kind":"arxiv","id":"1907.05361","version":1},"attestation_state":"computed","paper":{"title":"Gravitational Waves from Black Holes in Merging Ultra-Dwarf Galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Antonella Palmese, Christopher J. Conselice, Rachana Bhatawdekar, William G. Hartley","submitted_at":"2019-07-11T16:35:21Z","abstract_excerpt":"The origin of the black-hole:black-hole mergers discovered through gravitational waves with for example the LIGO/Virgo collaboration are a mystery. We investigate the idea that some of these black holes originate from the centers of extremely low-mass ultra-dwarf galaxies that have merged together in the distant past at $z>1$. Extrapolating the central black hole to stellar mass ratio suggests that the black holes in these mergers could arise from galaxies of masses $\\sim 10^{5} - 10^{6}$ M$_{\\odot}\\,$. We investigate whether these galaxies merge enough, or too much, to be consistent with the "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1907.05361","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-07-11T16:35:21Z","cross_cats_sorted":[],"title_canon_sha256":"94ba993a929409bf705946e28ab84570e38698f78b275f41d1bac3c50c51b9d0","abstract_canon_sha256":"adcccfb54cb430341b419436131e4a272e68bd452eab294ca4116e9187c45a3d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:40:50.553061Z","signature_b64":"EGIG1CYFEvFULves5e5yvq8KgZAF4wTVPmaXt4lXw+sKYkvWho/Vb7k18rDdGSA9lSU/Y5WMBF7lLQ4/MsdLBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5cbbe262585e26edf8c8b50b09ff7be39d1d5b475a5ebd79a96f493c359095d2","last_reissued_at":"2026-05-17T23:40:50.552365Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:40:50.552365Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Gravitational Waves from Black Holes in Merging Ultra-Dwarf Galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Antonella Palmese, Christopher J. Conselice, Rachana Bhatawdekar, William G. Hartley","submitted_at":"2019-07-11T16:35:21Z","abstract_excerpt":"The origin of the black-hole:black-hole mergers discovered through gravitational waves with for example the LIGO/Virgo collaboration are a mystery. We investigate the idea that some of these black holes originate from the centers of extremely low-mass ultra-dwarf galaxies that have merged together in the distant past at $z>1$. Extrapolating the central black hole to stellar mass ratio suggests that the black holes in these mergers could arise from galaxies of masses $\\sim 10^{5} - 10^{6}$ M$_{\\odot}\\,$. We investigate whether these galaxies merge enough, or too much, to be consistent with the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.05361","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1907.05361","created_at":"2026-05-17T23:40:50.552471+00:00"},{"alias_kind":"arxiv_version","alias_value":"1907.05361v1","created_at":"2026-05-17T23:40:50.552471+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.05361","created_at":"2026-05-17T23:40:50.552471+00:00"},{"alias_kind":"pith_short_12","alias_value":"LS56EYSYLYTO","created_at":"2026-05-18T12:33:21.387695+00:00"},{"alias_kind":"pith_short_16","alias_value":"LS56EYSYLYTO36GI","created_at":"2026-05-18T12:33:21.387695+00:00"},{"alias_kind":"pith_short_8","alias_value":"LS56EYSY","created_at":"2026-05-18T12:33:21.387695+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2512.09036","citing_title":"Probing the origin of the kilonova candidate GRB 230307A: analysis of host galaxy and offset","ref_index":15,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/LS56EYSYLYTO36GIWUFQT7334O","json":"https://pith.science/pith/LS56EYSYLYTO36GIWUFQT7334O.json","graph_json":"https://pith.science/api/pith-number/LS56EYSYLYTO36GIWUFQT7334O/graph.json","events_json":"https://pith.science/api/pith-number/LS56EYSYLYTO36GIWUFQT7334O/events.json","paper":"https://pith.science/paper/LS56EYSY"},"agent_actions":{"view_html":"https://pith.science/pith/LS56EYSYLYTO36GIWUFQT7334O","download_json":"https://pith.science/pith/LS56EYSYLYTO36GIWUFQT7334O.json","view_paper":"https://pith.science/paper/LS56EYSY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1907.05361&json=true","fetch_graph":"https://pith.science/api/pith-number/LS56EYSYLYTO36GIWUFQT7334O/graph.json","fetch_events":"https://pith.science/api/pith-number/LS56EYSYLYTO36GIWUFQT7334O/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LS56EYSYLYTO36GIWUFQT7334O/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LS56EYSYLYTO36GIWUFQT7334O/action/storage_attestation","attest_author":"https://pith.science/pith/LS56EYSYLYTO36GIWUFQT7334O/action/author_attestation","sign_citation":"https://pith.science/pith/LS56EYSYLYTO36GIWUFQT7334O/action/citation_signature","submit_replication":"https://pith.science/pith/LS56EYSYLYTO36GIWUFQT7334O/action/replication_record"}},"created_at":"2026-05-17T23:40:50.552471+00:00","updated_at":"2026-05-17T23:40:50.552471+00:00"}